---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2724 4.15.0-192-generic #203-Ubuntu SMP Wed Aug 10 17:40:03 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2800.000 BogoMIPS: 5600.00 Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 512K L3 cache: 16384K NUMA node0 CPU(s): 0-3 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl xtopology cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr arat npt nrip_save umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on udev 3.9G 0 3.9G 0% /dev tmpfs 798M 664K 797M 1% /run /dev/vda1 20G 7.7G 12G 40% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 798M 0 798M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7975 451 5241 0 2283 7239 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1450 qdisc fq_codel state UP group default qlen 1000 link/ether fa:16:3e:70:49:e6 brd ff:ff:ff:ff:ff:ff inet 10.32.6.240/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86125sec preferred_lft 86125sec inet6 fe80::f816:3eff:fe70:49e6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2724) 06/06/26 _x86_64_ (4 CPU) 07:38:55 LINUX RESTART (4 CPU) 07:39:01 tps rtps wtps bread/s bwrtn/s 07:40:01 148.29 61.72 86.57 4161.44 40715.63 07:41:01 67.74 12.41 55.32 250.62 9556.94 07:42:01 88.14 5.90 82.24 393.40 13013.70 07:43:01 30.38 0.80 29.58 86.92 4044.26 Average: 83.64 20.21 63.43 1223.10 16832.63 07:39:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:40:01 5985248 7420036 2182164 26.72 38280 1575520 711208 7.72 581200 1434532 95488 07:41:01 5577560 7299644 2589852 31.71 58372 1825304 879324 9.54 717972 1671436 156436 07:42:01 4953228 6975056 3214184 39.35 66224 2107860 995408 10.80 1096036 1896320 62216 07:43:01 5369400 7412544 2798012 34.26 69520 2125568 687052 7.46 677484 1899300 10688 Average: 5471359 7276820 2696053 33.01 58099 1908563 818248 8.88 768173 1725397 81207 07:39:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:40:01 ens3 412.18 248.06 1487.91 66.94 0.00 0.00 0.00 0.00 07:40:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 07:41:01 ens3 83.99 68.77 532.17 15.97 0.00 0.00 0.00 0.00 07:41:01 lo 1.40 1.40 0.13 0.13 0.00 0.00 0.00 0.00 07:42:01 ens3 497.78 528.05 3466.10 82.31 0.00 0.00 0.00 0.00 07:42:01 lo 1.38 1.38 0.17 0.17 0.00 0.00 0.00 0.00 07:43:01 ens3 61.17 59.19 135.51 16.15 0.00 0.00 0.00 0.00 07:43:01 lo 0.87 0.87 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 263.78 226.02 1405.42 45.34 0.00 0.00 0.00 0.00 Average: lo 1.10 1.10 0.11 0.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2724) 06/06/26 _x86_64_ (4 CPU) 07:38:55 LINUX RESTART (4 CPU) 07:39:01 CPU %user %nice %system %iowait %steal %idle 07:40:01 all 21.56 0.00 2.61 4.69 1.40 69.73 07:40:01 0 25.35 0.00 1.92 4.31 1.25 67.18 07:40:01 1 14.44 0.00 1.54 4.12 1.77 78.14 07:40:01 2 7.77 0.00 4.33 4.72 0.93 82.25 07:40:01 3 38.72 0.00 2.70 5.63 1.66 51.29 07:41:01 all 24.81 0.00 1.42 1.65 1.65 70.48 07:41:01 0 50.07 0.00 2.33 0.78 2.06 44.76 07:41:01 1 20.00 0.00 1.09 0.20 2.17 76.55 07:41:01 2 10.05 0.00 0.61 1.63 1.16 86.55 07:41:01 3 19.17 0.00 1.63 3.99 1.20 74.01 07:42:01 all 45.20 0.00 2.06 1.38 3.18 48.18 07:42:01 0 46.54 0.00 2.28 0.68 3.08 47.42 07:42:01 1 36.24 0.00 2.22 2.55 3.20 55.79 07:42:01 2 50.35 0.00 1.24 1.16 3.23 44.01 07:42:01 3 47.72 0.00 2.52 1.10 3.22 45.45 07:43:01 all 21.85 0.00 1.09 0.74 1.06 75.25 07:43:01 0 28.19 0.00 1.15 0.12 1.33 69.22 07:43:01 1 7.65 0.00 0.91 2.59 0.81 88.03 07:43:01 2 33.95 0.00 1.37 0.10 1.32 63.26 07:43:01 3 17.62 0.00 0.98 0.15 0.78 80.47 Average: all 28.36 0.00 1.80 2.11 1.82 65.91 Average: 0 37.54 0.00 1.92 1.47 1.93 57.14 Average: 1 19.59 0.00 1.44 2.36 1.99 74.62 Average: 2 25.54 0.00 1.89 1.90 1.66 69.00 Average: 3 30.80 0.00 1.96 2.72 1.72 62.80